CHEBI:32878 - alkene

ChEBI IDCHEBI:32878
ChEBI Namealkene
Stars
DefinitionAn acyclic branched or unbranched hydrocarbon having one carbon-carbon double bond and the general formula CnH2n. Acyclic branched or unbranched hydrocarbons having more than one double bond are alkadienes, alkatrienes, etc.
Secondary ChEBI IDsCHEBI:2581, CHEBI:22320
Last Modified1 October 2025
SubmitterMarcus Ennis
DownloadsMolfile
FormulaC2H2R2
Net Charge0
Average Mass (excl. R groups)26.038
Monoisotopic Mass (excl. R groups)26.01565
SMILES*/C=C/*
ChEBI Ontology
Outgoing Relation(s)
alkene (CHEBI:32878) is a acyclic olefin (CHEBI:33645)
Incoming Relation(s)
(2E)-2-tridecene (CHEBI:87590) is a alkene (CHEBI:32878)
(3E)-2,6-dimethyloct-3-ene (CHEBI:84231) is a alkene (CHEBI:32878)
(4E)-7-methyldec-4-ene (CHEBI:84218) is a alkene (CHEBI:32878)
cis-alkene (CHEBI:139021) is a alkene (CHEBI:32878)
1-decene (CHEBI:87315) is a alkene (CHEBI:32878)
1-docosene (CHEBI:84220) is a alkene (CHEBI:32878)
1-heptadecene (CHEBI:64502) is a alkene (CHEBI:32878)
1-hexadecene (CHEBI:77507) is a alkene (CHEBI:32878)
1-hexene (CHEBI:24579) is a alkene (CHEBI:32878)
1-nonene (CHEBI:77443) is a alkene (CHEBI:32878)
1-pentadecene (CHEBI:77506) is a alkene (CHEBI:32878)
1-tetradecene (CHEBI:77505) is a alkene (CHEBI:32878)
1-undecene (CHEBI:77444) is a alkene (CHEBI:32878)
1,2-epoxy-9-decene (CHEBI:229726) is a alkene (CHEBI:32878)
11Z-pentacosene (CHEBI:234031) is a alkene (CHEBI:32878)
17-methylnonadec-1-ene (CHEBI:64508) is a alkene (CHEBI:32878)
18-methylnonadec-1-ene (CHEBI:64507) is a alkene (CHEBI:32878)
2-methyl-1-pentene (CHEBI:141562) is a alkene (CHEBI:32878)
2-methylbut-1-ene (CHEBI:77915) is a alkene (CHEBI:32878)
2-methylbut-2-ene (CHEBI:77916) is a alkene (CHEBI:32878)
2-methylprop-1-ene (CHEBI:43907) is a alkene (CHEBI:32878)
2,4-dimethyl-1-heptene (CHEBI:141563) is a alkene (CHEBI:32878)
3-hexene (CHEBI:176800) is a alkene (CHEBI:32878)
3-methylbut-1-ene (CHEBI:77914) is a alkene (CHEBI:32878)
3-methyleneheptane (CHEBI:88858) is a alkene (CHEBI:32878)
4-ethyl-1-hexene (CHEBI:87523) is a alkene (CHEBI:32878)
4,5-dimethyl-1-hexene (CHEBI:87517) is a alkene (CHEBI:32878)
4,6,8-trimethyl-1-nonene (CHEBI:84223) is a alkene (CHEBI:32878)
5-methyldec-1-ene (CHEBI:84252) is a alkene (CHEBI:32878)
5Z-pentacosene (CHEBI:234027) is a alkene (CHEBI:32878)
7Z-heptacosene (CHEBI:234028) is a alkene (CHEBI:32878)
8-methyl-1-undecene (CHEBI:132846) is a alkene (CHEBI:32878)
butene (CHEBI:48361) is a alkene (CHEBI:32878)
dodecene (CHEBI:167550) is a alkene (CHEBI:32878)
ethene (CHEBI:18153) is a alkene (CHEBI:32878)
neophytadiene (CHEBI:145817) is a alkene (CHEBI:32878)
nonacos-1-ene (CHEBI:78471) is a alkene (CHEBI:32878)
nonadec-1-ene (CHEBI:64503) is a alkene (CHEBI:32878)
octadecene (CHEBI:37606) is a alkene (CHEBI:32878)
octene (CHEBI:46709) is a alkene (CHEBI:32878)
pentacos-1-ene (CHEBI:78465) is a alkene (CHEBI:32878)
propene (CHEBI:16052) is a alkene (CHEBI:32878)
tricosene (CHEBI:194469) is a alkene (CHEBI:32878)
alkenyl group (CHEBI:37614) is substituent group from alkene (CHEBI:32878)
Synonyms  Source
AlkeneKEGG COMPOUND
alkenesChEBI
olefinChEBI
Manual XrefsDatabases
C01372KEGG COMPOUND